Plane appears as foreshortened surface in all the projection planes is known as _________
(a) The parallel plane
(b) The vertical plane
(c) The slant plane
(d) The horizontal plane
This question was posed to me in an international level competition.
My question is based upon Projections on Auxiliary Planes in chapter Orthographic Projection, Projections of Lines, Planes and Solids of Civil Engineering Drawing